
package com.j256.ormlite.field.types;

import java.sql.SQLException;

import com.j256.ormlite.field.FieldType;
import com.j256.ormlite.field.SqlType;
import com.j256.ormlite.support.DatabaseResults;

/**
 * Type that persists a Boolean object.
 * 
 * @author graywatson
 */
public class BooleanObjectType extends BaseDataType {

    private static final BooleanObjectType singleTon = new BooleanObjectType();

    public static BooleanObjectType getSingleton() {
        return singleTon;
    }

    private BooleanObjectType() {
        super(SqlType.BOOLEAN, new Class<?>[] { Boolean.class });
    }

    protected BooleanObjectType(SqlType sqlType, Class<?>[] classes) {
        super(sqlType, classes);
    }

    @Override
    public Object parseDefaultString(FieldType fieldType, String defaultStr) {
        return Boolean.parseBoolean(defaultStr);
    }

    @Override
    public Object resultToSqlArg(FieldType fieldType, DatabaseResults results, int columnPos)
            throws SQLException {
        return results.getBoolean(columnPos);
    }

    @Override
    public boolean isEscapedValue() {
        return false;
    }

    @Override
    public boolean isAppropriateId() {
        return false;
    }
}
